7 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
result in decreased lung ... attenuation or ... - Emphysema - Lung ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
High Attenuation ... Chronic eosinophilic ... Chronic eosinophilic ... HighAttenuation #Pattern #Comparison ... #Table #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... In these cases comparison ... Radiology #CXR #CHF #Cephalization ... Redistribution #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
Mosaic attenuation ... The term 'mosaic attenuation ... presents as mosaic attenuation ... due to chronic ... #Differential #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
in the 'black' lung ... to the 'white' lung ... bronchiolitis or chronic ... MosaicAttenuation #Mosaic #Attenuation ... #Comparison #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
Chronic hypersensitivity ... of ground-glass attenuation ... and areas of low attenuation ... mid and lower lung ... HypersensitivityPneumonitis #Fibrosis #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
honeycombing (left) and chronic ... Chronic stage: - ... throughout the whole lung ... #CTChest #UIP #Comparison ... Fibrosis #Mimic #ILD #RadiologyAssistant